River Carpsucker and Similar Species
Carpiodes carpio
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Open the appSeveral fish can be confused with River Carpsucker. Here are the key differences.
Species often confused with {name}
Quillback
Carpiodes cyprinus
Key differences: The Quillback has a shorter dorsal fin with 22-27 rays, and the anterior rays are not as elongated or sickle-shaped as in the River Carpsucker. The snout of the Quillback is typically more pointed and protrudes slightly beyond the mouth.
Highfin Carpsucker
Carpiodes velifer
Key differences: The Highfin Carpsucker has an even longer and higher dorsal fin, with 25-30 rays, and the first few rays are extremely elongated, often reaching past the midpoint of the dorsal fin base when depressed. Its body is also typically deeper and more compressed than the River Carpsucker.
Smallmouth Buffalo
Ictiobus bubalus
Key differences: While also a sucker, the Smallmouth Buffalo has a much larger, more robust body, a smaller mouth that is more inferior, and a dorsal fin that is not as elongated or sickle-shaped as the River Carpsucker. Its scales are also generally larger.
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